WO2013169719A1 - Longitudinal adjuster for a vehicle seat - Google Patents

Longitudinal adjuster for a vehicle seat Download PDF

Info

Publication number
WO2013169719A1
WO2013169719A1 PCT/US2013/039861 US2013039861W WO2013169719A1 WO 2013169719 A1 WO2013169719 A1 WO 2013169719A1 US 2013039861 W US2013039861 W US 2013039861W WO 2013169719 A1 WO2013169719 A1 WO 2013169719A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
rolling
inner rail
longitudinal adjuster
cage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2013/039861
Other languages
French (fr)
Inventor
Alexander I. Balin
Kurt Seibold
Ingo Kienke
Jorg Linnenbrink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls Technology Co
Original Assignee
Johnson Controls Technology Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Controls Technology Co filed Critical Johnson Controls Technology Co
Priority to EP13724978.5A priority Critical patent/EP2847029B1/en
Priority to US14/399,015 priority patent/US9630530B2/en
Priority to RS20220392A priority patent/RS63342B1/en
Publication of WO2013169719A1 publication Critical patent/WO2013169719A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0715—C or U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0722—Constructive details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161—Rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161—Rods
    • B60N2/1615—Parallelogram-like structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • B60N2/181—Rods
    • B60N2/1814—Parallelogram-like structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • B60N2/1842—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic pivoting about an axis located in the rear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/20—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/54—Seat suspension devices using mechanical springs
    • B60N2/546—Leaf- or flexion springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/686—Panel like structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7094—Upholstery springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/986—Side-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Definitions

  • the present invention relates to a: longitudinal adjuster for a vehicle seat having an outer, aft Inner rail and a flexible member.
  • Automotive seat track assemblies must meet many requirements, including stability, strength, free play and slide effort, in addition, designs for: these assemblies must be robust, insensitive to manufacturing tolerances (or dimensional variation). ' associated with the subassemblies and components. Many automotive seat track designs use steel rails. One rail is fixed to the vehicle floor, while the other is fixed to the upper portion of t e seat Roiling o sliding media are used to enable smooth relative moton between trie two rails when they are not . locked as by a latch. 00 ⁇ A goal of the invention is in provide automotive seat track assemblies that are Sower i mass than typical seat track assembles. In order to reduce mass, materials other hari: steel may be used for the rails, but inventive steps are required ' in order to use lighter materials, and still meet th requirements.
  • the object is achieved according to the Invention by way of a longitudinal adjuster having an outer and an inner rail, wherein the outer rail has a structural element which absorbs vertical forces and has a flexible element which biases a rolling body against the Inner rail.
  • a longitudinal adjuster having an outer and an inner rail, wherein the outer rail has a structural element which absorbs vertical forces and has a flexible element which biases a rolling body against the Inner rail.
  • the disclosure made for this subject of the present Invention applies in equal, measure to the other subjects of the present invention, and vice versa, 00 01
  • the present Invention relates ' to a longitudinal adjuster for a vehicle seat, which Is utilized to adjust -the postion of the vehicle seat according to the length of the seat occupant.
  • usier comprises an outer and an inner rail,, wherin preferably rolling ' -bodies are arranged between the two rains.
  • one of the rails preferably the inner rail
  • one rail preferably the outer rail is attached to the body of the car.
  • the outer rail preferably soutrounds the inner rail at least partially.
  • there are two longitudinal seat adjusters pe vehicle seat or per vehicle bench.
  • the longitudinal adjuster comprises a structural elment, which, according to the present Invention, is not flexible, does not deform during assembly of the longitudinal adjuster and is designed to absorb a vertical- and/or horizontal load.
  • the structural element is preferably provided at the outer rail, hich Is more preferably connected to the vehicle body.
  • The: structural element can be made of a particularly stiff material and/or- can be a hardend material
  • the structural element provides a surface for the: roiling bodies
  • the longitudinal adjuster comprises a flexible elment.
  • the flexlble element is provided Integrally with the oute rail and/or as a separate component.
  • the flexible element can be produced from the same materia! as or a different matertaJ.from the outer rail,
  • th inner rail is realized in a comparatively rigid manner.!. a does not comprise a flexible element
  • the outer and/or inner rail Is produced from a lightweight material, in particular aiurhini urn, plastic, fiber reinforced plastic and/or plas is composite materials or the like.
  • a further preferred o inventive subject matter of. the present invention is a longitudinal adjuster of a vehicle seat having an oute and an inner ail and a rolling- /sliding- body-cage which is made out of flexible material (for example spring steel) and which is arranged between the inner- and the outer rail and is formed in a resilient/flexible manner.
  • flexible material for example spring steel
  • the rolisng-Zsilding-body-cage comprises slide elements, which • comprise a relatively low friction factor.
  • the iOliing-3 ⁇ 4iiding-bddy-Oage is eiasfical!y deformed during assembly, particularly during its assembly between the two rails.
  • the roillng ' siiding body cage is formed In a resilient/flexible manner In two spatial directions, for example in a horizontal direction and ' in a vertical direction.
  • the roiling-. siidlng-body-cage is fixed to one .of the rails,: preferably the Inner rail.
  • the Inner rail comprises indentations and corresponding convexities, particularly at its upper end and preferably prodived equidistantfy.
  • the roliing s!iding-body-cage is provided at the upper end of the inner rail and more preferably around and/or ontop of the convexities* Preferably.: the rolling sitdsog-body-cage at least partially winds around a vertical surface of each convexity, f3 ⁇ 4023]
  • Vet a further preferred or inventive subject matter of the present invention is a longitudinal adjuster having an outer and an inner rail and a rolling- and/or siiding- body-oage which Is arranged between the inner and the outer rail and is connected to the inner rail in a special manner, such as, one end of the roliing/s!iding body cage is fixed to the inner rail, preferably such thai there is zero degrees of freedom of movement relative to inner rail, and another end is free to move. After outer rail introduced to inner rail, the other end of the rolling and/or sliding body cage should be fixed. This configuration allows the deformation of the roHi g-Zsliding-bsdy-c
  • the longitudinal adjuster has a roiling- and/or sUding-body-cage which is arranged between the inner and the outer rail, wherein the longitudinal adjuster ha a lock which prevents the roiling- and/or slidsng- ixxiy-eage f rom moving particularly relative to the inner rail,
  • the one or more, preferabl two rolling- and or s!idsng-body-cagss are connected to the inner rail, Each has one end free to move and another connected, preferably firmly to inner rail.
  • the fixed end of one of the spring oa.ge.1s preferably located at the front of the rail and another spring cage has a fixed end preferably on the rear of the rail. Free ends of the both spring cages located toward middle of the rail, but more preferably, do not touch.
  • the inventive rait has locking e ement,: which can lock/fix " ⁇ prevent movement) of the free er3 ⁇ 4Ks) of each roiling and/or s!ideiog body cage.
  • This locking element is preferably synchronised with t e main latching device (which handles the structural load and prevents. Ihe inner rail from moving rela ive to outer rail). Which means, en the longitudinal adjuster requires an adjustment, the main !atch is released so that the two rails can move relative to each other and: one end o eac rolling- and/or siidlng-body-eage locking element is released as well, which means ends of the roiiing-/sMing-body ⁇ cages are again ires and as a result of it, the sliding -effort is low, which allows to adjust the longitudinal adjuster with low sliding effort.
  • each rolling ⁇ and/or sllding-body-cage locking element return to its locking mode, which prevents the movement of the both ends of the roiling- and/or sliding-body-cages and provides required system rigidit and prevent relative movement between inner and outer rails,
  • Figure T shows a vehicl seat
  • FIG. 1 schematically shows a perspective ' illustration of a vehicle seat 1
  • the vehicle seat 1 is i the form of a conventional vehicle seat and comprises at least a seat pari 2 and a backrest 3. Furthermore, the vehicle seat 1 has a. conventional longitudinal adjuster 4, hy means of Which the vehicle seat l is coupled to a bodywork structure of a vehicle (not illustrated).
  • Figures 2 and 3 show the cross-section of a longitudinal adjuster having an outer rail SO and an inner rail St.
  • Rolling bodies 52 are arranged between the rails SO, 5 , In each case in the upper and lower region.
  • the outer rail SO has a. structural element 53 which interacts with a structural element, which is arranged preferably integrally on the inner rail, and as a result absorbs vertical and/or lateral forces.
  • The- structural element 53 has a high rigidity and does not deform during the assembly of the Inner- and outer rail.
  • the structural element 53 provides a contact surface for the rolling bodies
  • the outer rail has an elastic region 54 Which interacts with the roiling bodies
  • the elastic element deforms e!asfiealSy during the assembly of the inner- and the outer rail.
  • the elastic regions 54 are provided in each case integrally with the outer rail 50, It can be seen that the structural element S3 can be provided in different regions of the outer rail.
  • the elastic region 54 comprises an area 68 with reduces material material thickness and or an arm .like region 68, which deforms at eomparatevily little forces.
  • the outer and the inner rail ar produced in each case: from a lightweight material, in particular aluminium, plastic, fiber reinforced plastic and/or plastic composite materials or the like, prefera3 ⁇ 45y as an extruded component, 003 ]
  • the elastic element 54 is not provided: Integrally with the outer rail, in the present case, the rail has an additional element 54 which biases the roiling bodies 52 against fhe inne rail, f QG3S] in the embodiment according to Figure 4, a roiling and/or sliding body cage 55 is provided between fhe : oute rail 50 and the inner rail 51 and is co nected preferably to the inner rail,, in particular in a displaeeahle manner, and is configured such that It biases the inner rail against the outer rail both In the vertical and in the horizontal direction.
  • the roiling/sliding body cage ⁇ .spring cage made out of flexible materia! (for example spring steel) installed on the inner rail, one end h fixed and another is free to deflect. Having one end ee allows to generate relatively low normal forces, which means low slide effort After rails are assembled, the the other end should be fixed, which provide required rigidity for whole system and at the same time low sliding effort.
  • the cage comprises at least one region 67 with a reduced friction.
  • the inner rail comprises indeiations 64.
  • the cage is preferably fixed to the resulting convexities 85,
  • the cage ⁇ 5 is designed to absorb forces in two directions, which are perpendicular to each other.
  • the. longitudinal adjuster has preferably a. locking element 56.
  • Figure 5a illustrates the locking element In its locking state.
  • Figure Sh s o s the unlocked -state of the locking element 58.
  • the inner rail is pre assemblies!, in th present case with two rolling and/or sliding body cages (spring cages) made out of flexible material, preferabl spring steel. Each has one end free and another fixed to inner rail. The fixed end of one of the, spring cage is,. In the present case, located at the f ront of th rail and another sprin cage has a fixed end e the rear of the rail The free ends of the both spring cages are located toward the middle of the rail. Also, the rail has a locking element 56, which can lock/fix (prevent movement) of the free ends of both spring cages. This locking element is preferably synchronised. with the mai latching device (which handles the -structural load and prevents the inner rail from moving relative to outer rail).
  • each spring cage locking element is released as well, which means ends of the spring cages are again free and as function of It, the sliding effort is low, -which- allows to adjust the track with low sliding ' effort.
  • the main latch and preferably the spring cage locking element return to locking mode, which provide required system rigidity and prevent relative movement between -Inner a d outer rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Automotive Seat Belt Assembly (AREA)

Description

- i - iO GTrUOf AU ADJUSTER FOR A VEHICLE SE&T
CLAIM OF PRIORITY
[001J This application claims priority to Όηϊϊ&ύ States Application Serial Number 61/643,587, fi ed May 7, 2012, the entire contents thereof are incorporated herein by reference. f98¾J The present invention relates to a: longitudinal adjuster for a vehicle seat having an outer, aft Inner rail and a flexible member.
£003] Automotive seat track assemblies must meet many requirements, including stability, strength, free play and slide effort, in addition, designs for: these assemblies must be robust, insensitive to manufacturing tolerances (or dimensional variation).' associated with the subassemblies and components. Many automotive seat track designs use steel rails. One rail is fixed to the vehicle floor, while the other is fixed to the upper portion of t e seat Roiling o sliding media are used to enable smooth relative moton between trie two rails when they are not . locked as by a latch. 00 } A goal of the invention is in provide automotive seat track assemblies that are Sower i mass than typical seat track assembles. In order to reduce mass, materials other hari: steel may be used for the rails, but inventive steps are required' in order to use lighter materials, and still meet th requirements.
[005] Most commercially available tracks rely of the stiffness of the rails to provide strength and stability to the assembly, while controlling free play. Sfiffer rails result in stronger, more stable track assemblies with less free play. However, stiff er rails result in negative impacts to slide effort and make the assembly process more sensitive to dimensional variation.. Therefore, many designs must carefully select the rail stiffness so as not to be too stiff tor one requirement., or not stiff enough for another requirement,
[006]' This tradeoff is no longer feasible when selected material of Sower densit and lower Young modulus are used for the rails, such as aluminum or fiber reinforced plastic. £007]. The invention effectively decouples free play and slide effort 'from stability and strength whi e resulting i improved insensitiviiy to .component and subassembly dimensional variation through the use of a flexible member.
[008] The object is achieved according to the Invention by way of a longitudinal adjuster having an outer and an inner rail, wherein the outer rail has a structural element which absorbs vertical forces and has a flexible element which biases a rolling body against the Inner rail. 009} The disclosure made for this subject of the present Invention applies in equal, measure to the other subjects of the present invention, and vice versa, 00 01 The present Invention relates 'to a longitudinal adjuster for a vehicle seat, which Is utilized to adjust -the postion of the vehicle seat according to the length of the seat occupant. According to the invention, the longitudinal ad|usier comprises an outer and an inner rail,, wherin preferably rolling' -bodies are arranged between the two rains. Conventionally, one of the rails, preferably the inner rail, is fixed to the vehicle seat, and one rail, preferably the outer rail is attached to the body of the car. The outer rail preferably soutrounds the inner rail at least partially. Normally, there are two longitudinal seat adjusters pe vehicle seat or per vehicle bench.
[0011] According to the present invention, the longitudinal adjuster comprises a structural elment, which, according to the present Invention, is not flexible, does not deform during assembly of the longitudinal adjuster and is designed to absorb a vertical- and/or horizontal load. The structural element is preferably provided at the outer rail, hich Is more preferably connected to the vehicle body. The: structural element can be made of a particularly stiff material and/or- can be a hardend material
[00121 in a: preferred embodiment, the structural element provides a surface for the: roiling bodies
£001.¾. Furthermore, the longitudinal adjuster comprises a flexible elment. which
-deflects elasticaliy during production of the longitudinal adjuster. Preferably,: the flexlble element is provided Integrally with the oute rail and/or as a separate component. The flexible element can be produced from the same materia! as or a different matertaJ.from the outer rail,
£0014] Preferably, th inner rail is realized in a comparatively rigid manner.!. a does not comprise a flexible element,
[8015| Preferably, the outer and/or inner rail Is produced from a lightweight material, in particular aiurhini urn, plastic, fiber reinforced plastic and/or plas is composite materials or the like.
|001S] A further preferred o inventive subject matter of. the present invention is a longitudinal adjuster of a vehicle seat having an oute and an inner ail and a rolling- /sliding- body-cage which is made out of flexible material (for example spring steel) and which is arranged between the inner- and the outer rail and is formed in a resilient/flexible manner.
[SS17] The disclosure made for his subject of the present invention applies in equal measure to the other subjects of the present invention, and vice versa.
[00181 Preferably, the rolisng-Zsilding-body-cage comprises slide elements, which •comprise a relatively low friction factor.
Preferably, the iOliing-¾iiding-bddy-Oage is eiasfical!y deformed during assembly, particularly during its assembly between the two rails.
.[0020] Preferably, the roillng 'siiding body cage is formed In a resilient/flexible manner In two spatial directions, for example in a horizontal direction and' in a vertical direction.
[0021] in a preferred embodiment the roiling-. siidlng-body-cage is fixed to one .of the rails,: preferably the Inner rail. [0022] In a preferred embodiment, the Inner rail comprises indentations and corresponding convexities, particularly at its upper end and preferably prodived equidistantfy. In a preferred embodiment, the roliing s!iding-body-cage is provided at the upper end of the inner rail and more preferably around and/or ontop of the convexities* Preferably.: the rolling sitdsog-body-cage at least partially winds around a vertical surface of each convexity, f¾023] Vet a further preferred or inventive subject matter of the present invention is a longitudinal adjuster having an outer and an inner rail and a rolling- and/or siiding- body-oage which Is arranged between the inner and the outer rail and is connected to the inner rail in a special manner, such as, one end of the roliing/s!iding body cage is fixed to the inner rail, preferably such thai there is zero degrees of freedom of movement relative to inner rail, and another end is free to move. After outer rail introduced to inner rail, the other end of the rolling and/or sliding body cage should be fixed. This configuration allows the deformation of the roHi g-Zsliding-bsdy-cage du ing the assembly.
(0824] The disclosure made for this subject of the present invention applies in equal measure to the other subjects of the present invention, and vice versa,
[0025] Preferably or according to the invention', the longitudinal adjuster has a roiling- and/or sUding-body-cage which is arranged between the inner and the outer rail, wherein the longitudinal adjuster ha a lock which prevents the roiling- and/or slidsng- ixxiy-eage f rom moving particularly relative to the inner rail,
IQQ2 ] The disclosure made for this subject of the present invention apples in equal measure to the other subjects of the present invention, and vice versa,
[0027] Preferably, the one or more, preferabl two rolling- and or s!idsng-body-cagss are connected to the inner rail, Each has one end free to move and another connected, preferably firmly to inner rail. The fixed end of one of the spring oa.ge.1s preferably located at the front of the rail and another spring cage has a fixed end preferably on the rear of the rail. Free ends of the both spring cages located toward middle of the rail, but more preferably, do not touch. Also, the inventive rait has locking e ement,: which can lock/fix "{prevent movement) of the free er¾Ks) of each roiling and/or s!ideiog body cage. This locking elernent is preferably synchronised with t e main latching device (which handles the structural load and prevents. Ihe inner rail from moving rela ive to outer rail). Which means, en the longitudinal adjuster requires an adjustment, the main !atch is released so that the two rails can move relative to each other and: one end o eac rolling- and/or siidlng-body-eage locking element is released as well, which means ends of the roiiing-/sMing-body~ cages are again ires and as a result of it, the sliding -effort is low, which allows to adjust the longitudinal adjuster with low sliding effort. As soon, as required adjustment is completed, then the main .latch and one end of each rolling^ and/or sllding-body-cage locking element return to its locking mode,, which prevents the movement of the both ends of the roiling- and/or sliding-body-cages and provides required system rigidit and prevent relative movement between inner and outer rails,
[0028] The inventions are ex lained in the following text on the basis of Figures 1-6, These explanations are merely by way of example and do not limit the general concept of the invention,
[GG29J in the figures:
[0030] Figure T shows a vehicl seat,
I 0S1J Figures 2 ··■■ 5 schematically show the longitudinal adjuster according to the Invention,
[0032] Figure 1 schematically shows a perspective 'illustration of a vehicle seat 1 , The vehicle seat 1 is i the form of a conventional vehicle seat and comprises at least a seat pari 2 and a backrest 3. Furthermore, the vehicle seat 1 has a. conventional longitudinal adjuster 4, hy means of Which the vehicle seat l is coupled to a bodywork structure of a vehicle (not illustrated).
£0033 J. Figures 2 and 3 show the cross-section of a longitudinal adjuster having an outer rail SO and an inner rail St. Rolling bodies 52 are arranged between the rails SO, 5 , In each case in the upper and lower region. According to the invention, the outer rail SO has a. structural element 53 which interacts with a structural element, which is arranged preferably integrally on the inner rail, and as a result absorbs vertical and/or lateral forces. The- structural element 53 has a high rigidity and does not deform during the assembly of the Inner- and outer rail. Preferably, the structural element 53 provides a contact surface for the rolling bodies Furthermore, according to the invention, the outer rail has an elastic region 54 Which interacts with the roiling bodies
52, In particular the roiling bodies arranged in the upper region of the rail according to the Invention, and biases them against the inner rail S . Preferably, the elastic element deforms e!asfiealSy during the assembly of the inner- and the outer rail.: in the embodiment according to Figure 2, the elastic regions 54 are provided in each case integrally with the outer rail 50, It can be seen that the structural element S3 can be provided in different regions of the outer rail. Preferably the elastic region 54 comprises an area 68 with reduces material material thickness and or an arm .like region 68, which deforms at eomparatevily little forces. Preferably, the outer and the inner rail ar produced in each case: from a lightweight material, in particular aluminium, plastic, fiber reinforced plastic and/or plastic composite materials or the like, prefera¾5y as an extruded component, 003 ] In the exemplary embodiment according to Figure 3, reference can be made essentially to the statements as per Figure 2, although in the present case the elastic element 54 is not provided: Integrally with the outer rail, in the present case, the rail has an additional element 54 which biases the roiling bodies 52 against fhe inne rail, f QG3S] in the embodiment according to Figure 4, a roiling and/or sliding body cage 55 is provided between fhe: oute rail 50 and the inner rail 51 and is co nected preferably to the inner rail,, in particular in a displaeeahle manner, and is configured such that It biases the inner rail against the outer rail both In the vertical and in the horizontal direction. The roiling/sliding body cage {.spring cage) made out of flexible materia! (for example spring steel) installed on the inner rail, one end h fixed and another is free to deflect. Having one end ee allows to generate relatively low normal forces, which means low slide effort After rails are assembled, the the other end should be fixed, which provide required rigidity for whole system and at the same time low sliding effort. Preferably, the cage comprises at least one region 67 with a reduced friction. Preferably* the inner rail comprises indeiations 64. The cage is preferably fixed to the resulting convexities 85, Preferably, the cage §5 is designed to absorb forces in two directions, which are perpendicular to each other.
[0036] As can foe seen particular from Figure 5, the. longitudinal adjuster according to the Invention has preferably a. locking element 56. Figure 5a illustrates the locking element In its locking state. Figure Sh s o s the unlocked -state of the locking element 58.
[00371 The inner rail is pre assemblies!, in th present case with two rolling and/or sliding body cages (spring cages) made out of flexible material, preferabl spring steel. Each has one end free and another fixed to inner rail. The fixed end of one of the, spring cage is,. In the present case, located at the f ront of th rail and another sprin cage has a fixed end e the rear of the rail The free ends of the both spring cages are located toward the middle of the rail. Also, the rail has a locking element 56, which can lock/fix (prevent movement) of the free ends of both spring cages. This locking element is preferably synchronised. with the mai latching device (which handles the -structural load and prevents the inner rail from moving relative to outer rail). Which means, when the longitudinal adjuster requires an adjustment, the main latch is released and preferably, each spring cage locking element is released as well, which means ends of the spring cages are again free and as function of It, the sliding effort is low, -which- allows to adjust the track with low sliding' effort. As soon, as required adjustment completed, then the main latch and preferably the spring cage locking element return to locking mode, which provide required system rigidity and prevent relative movement between -Inner a d outer rails.
|S038j| Ust af mfer&ne® signs 0039] Vehicle seat
£00 03 Seat part
10041 j Backrest
[0O42jj Longitudinal adjusting device
[0043] Inclination adjusting apparatus
|8044] Adjusting lever
[¾Q4S| 27 Longitudinai adjustment rail f¾04®] Deformation region
00 7] Outer rati
In er rail
[0049] Rolling body
fOOSOJ Structural' element
[0051] Flexible element
[tM>&2] Rolling body c ge
[0063] Lock
[00S4] Gable pofi, Bo den cable
{m } Guide
[00561 Height adjuster
|005?| Force transmission means
[O0SSJ - OOSOj took of the two rail
100603 - ·
|O0eiJ indentation 64
[00623 Convexity
|0DS31 Upper end of the inner rail
"Q0§4] Low friction region
[øøø¾ Reduced material thickness, arm-like area

Claims

Pafent cl ims;
1. Longitudinal adjuster (27) haying an outer and: an inn r rail {50, 5 , cha ct rised in that the outer rail (50) has a structural element (53) which absorbs vertical forces and" has a flexible element which biases a. rolling body (62) against the inner rail (51),
2. Longitudinal adjuster (27) according to Claim 37, characterized in that the flexible element is provided integrally with the outer rail and/or as a separate component
3> longitudinal adjuster (27) according 'to one of the preceding claims, characterised .in that ¾ is produced from a lightweight building material, in particular aluminium, plastic, fiber reinforced plastic and/or plastic composite materials.
4. Longitudinal adjuster (27), in particular according to one of the preceding claims, having . an outer and an inner rail {50, 51 ) and a rolling and/or sliding .body cage which is made out of fle ible materia! and arranged in between, characterised in that the rolling and/or sliding body cage (55) is formed in a resilient manner.
5. Longitudinal adjuster (27), in particular according to one of the preceding claims, having an outer and an inner rail (SO, 51 } and a rolling or sliding body cage which is made out of flexible material and arranged in between, characterized in that the rolling and/or sliding body cage (S3) is connected to the Inner rail (51), wherein one end of the cage has ¾sro degrees of freedom relative to inner rail and the other end of the roiling and/or sliding body cage has at least one degree of freadom and only after the assembly of the Inner and outer rails th second end is, preferably reversiiy, fixed to the inner rail
8. Longitudinal adjuster (27) having an outer and an inner rail (50-, 5 } and at least one. prefrably two or more rolling and/or sliding body cage(s) each are made out of 'flexible material and arranged in between the inner and the outer rail, characterised in that it has a. 'lock (58) which prevents the rolling or sliding body cage(s) (55) from moving relative to the inner rati.
PCT/US2013/039861 2012-05-07 2013-05-07 Longitudinal adjuster for a vehicle seat Ceased WO2013169719A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13724978.5A EP2847029B1 (en) 2012-05-07 2013-05-07 Longitudinal adjuster for a vehicle seat
US14/399,015 US9630530B2 (en) 2012-05-07 2013-05-07 Longitudinal adjuster for a vehicle seat
RS20220392A RS63342B1 (en) 2012-05-07 2013-05-07 LONGITUDINAL ADJUSTER FOR VEHICLE SEAT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261643587P 2012-05-07 2012-05-07
US61/643,587 2012-05-07

Publications (1)

Publication Number Publication Date
WO2013169719A1 true WO2013169719A1 (en) 2013-11-14

Family

ID=48444639

Family Applications (6)

Application Number Title Priority Date Filing Date
PCT/US2013/039856 Ceased WO2013169715A1 (en) 2012-05-07 2013-05-07 Vehicle seat
PCT/US2013/039861 Ceased WO2013169719A1 (en) 2012-05-07 2013-05-07 Longitudinal adjuster for a vehicle seat
PCT/US2013/039855 Ceased WO2013169714A1 (en) 2012-05-07 2013-05-07 Vehicle seat with a lumbar support
PCT/US2013/039863 Ceased WO2013169720A1 (en) 2012-05-07 2013-05-07 Inclination adjusting apparatus
PCT/US2013/039858 Ceased WO2013169717A1 (en) 2012-05-07 2013-05-07 Vehicle seat
PCT/IB2013/001403 Ceased WO2013167975A2 (en) 2012-05-07 2013-05-07 Seating part of a vehicle seat

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2013/039856 Ceased WO2013169715A1 (en) 2012-05-07 2013-05-07 Vehicle seat

Family Applications After (4)

Application Number Title Priority Date Filing Date
PCT/US2013/039855 Ceased WO2013169714A1 (en) 2012-05-07 2013-05-07 Vehicle seat with a lumbar support
PCT/US2013/039863 Ceased WO2013169720A1 (en) 2012-05-07 2013-05-07 Inclination adjusting apparatus
PCT/US2013/039858 Ceased WO2013169717A1 (en) 2012-05-07 2013-05-07 Vehicle seat
PCT/IB2013/001403 Ceased WO2013167975A2 (en) 2012-05-07 2013-05-07 Seating part of a vehicle seat

Country Status (9)

Country Link
US (6) US9511688B2 (en)
EP (6) EP2847029B1 (en)
JP (4) JP5921764B2 (en)
KR (4) KR101678400B1 (en)
CN (4) CN104284804B (en)
DE (1) DE102012013208B4 (en)
IN (4) IN2014DN08534A (en)
RS (1) RS63342B1 (en)
WO (6) WO2013169715A1 (en)

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